Questions & Answers for: Subaru Outback air fuel mixture

fuel pressure regulator EGR valve - make sure the EGR valve is working properly. You can test it with a vacuum pump and make sure it holds air. Also you could have a plugged EGR passage. Good luck and

...from incorrect air/fuel mixtures, the ECM is likely receiving false information, the air intake sensor would cause this. Check for vacuum leaks and the 02 sensor. Good luck...i hope this will fixya ...

...affect all the things you mention, yes. Have the fuel pump pressure tested and adjusted to spec. A good move would be to service the air flow sensor Goto [ http://arraw.info/pdf/mas.pdf ] for ...

...FUEL AIR RATIO SENSOR on a Subaru Outback, 2001,. 2.2 L ? since that is a Boxer engine it will have one O2 sensor at the base of each exhaust manifold. and since it is newer than a 1996 it will have ...

...AIR FILTER.CLEAN FUEL INJECTORS,CHECK TIRE PRESSURE.LOW TIRE PRESSURE WILL CAUSE LOT OF FUEL CONSUMPTION.CITY DRIVING WILL BURN LOT MORE GAS,STOPPING VECHICLE THEN GOING WILL CAUSE MORE GAS BURNING, ...

...air clnr and spray carb clnr and it will start....runs fine after that Most common reason for no start cold with a lack of fuel is the fuel pump relay or the check valve in the pump. The fuel line ...

...air/ fuel mixture adjusting to normal from the extra air from the brake booster. With you economy so low during winter I would be checking the fault codes for faults in the air/fuel system as it ...

...i shut off my car. is this normal? run the fault codes as it may be an indication that the cat converter is running at an excessive temperature due to incorrect air/fuel mixture settings from the ...

fuel injectors may be partially plugged off -- require pulling and cleaning or replacement. Roughness can also indicate the timing has slipped off due to wear on timing belt. Check the following items

...air:fuel ratio. It also indicates that the fuel trims reached their limit of adding fuel while trying to compensate for a actual or perceived rich condition. When the fuel trims reach their rich ...